condition mean min max 4 h after light 3.1302149999999997 2.89891 3.36152 8 h after light 3.0135899999999998 2.29441 3.73277 12 h after light 2.992615 2.97373 3.0115 4 h after dark 4.358263333333333 3.9667 4.8572 8 h after dark 5.2271366666666665 3.92254 5.8832 12 h after dark 6.4656166666666675 3.71646 11.6452